const Koa = require('koa')
const app = new Koa()
const views = require('koa-views')
const json = require('koa-json')
const onerror = require('koa-onerror')
const bodyparser = require('koa-bodyparser')
const logger = require('koa-logger')
const jwt = require('koa-jwt');
const cors = require('koa2-cors');

const constant = require('./provider/constant')
require('./provider/extend')

const middlewares = require('./middleware')

const index = require('./routes/index')
const users = require('./routes/users')
const word = require('./routes/word')
const topik = require('./routes/topik')
const record = require('./routes/record')

// error handler
onerror(app)

// middlewares
app.use(bodyparser({
  enableTypes: ['json', 'form', 'text']
}))
app.use(json())
app.use(logger())
app.use(require('koa-static')(__dirname + '/public'))
app.use(cors());

app.use(views(__dirname + '/views', {
  extension: 'pug'
}))

// logger
app.use(async (ctx, next) => {
  const start = new Date()
  await next()
  const ms = new Date() - start
  console.log(`${ctx.method} ${ctx.url} - ${ms}ms`)
})

app.use(middlewares.jwt)

// routes
app.use(index.routes(), index.allowedMethods())

app.use(jwt({ secret: constant.jwt_scret, cookie: constant.jwt_cookie_name }).unless({
  path: ['/topikList']
}));

app.use(users.routes(), users.allowedMethods())
app.use(word.routes(), word.allowedMethods())
app.use(topik.routes(), topik.allowedMethods())
app.use(record.routes(), record.allowedMethods())

// error-handling
app.on('error', (err, ctx) => {
  console.error('server error', err, ctx)
});

module.exports = app
